tests: run command "/debug libs" in tests instead of Travis CI command

.travis.yml

@@ -35,7 +35,6 @@ script:
 after_success:
     - weechat --help
     - weechat-curses --help
-    - weechat -r "/debug libs;/quit"
 
 matrix:
     fast_finish: true

tests/tests.cpp

@@ -173,10 +173,6 @@ main (int argc, char *argv[])
 
     ptr_core_buffer = gui_buffer_search_main ();
 
-    /* display WeeChat version and directories */
-    input_data (ptr_core_buffer, "/command core version");
-    input_data (ptr_core_buffer, "/debug dirs");
-
     /* auto-load plugins from WEECHAT_EXTRA_LIBDIR if no plugin were loaded */
     if (!weechat_plugins)
     {
@@ -187,6 +183,11 @@ main (int argc, char *argv[])
         plugin_auto_load (0, NULL, 0, 1, 0);
     }
 
+    /* display WeeChat version and directories */
+    input_data (ptr_core_buffer, "/command core version");
+    input_data (ptr_core_buffer, "/debug dirs");
+    input_data (ptr_core_buffer, "/debug libs");
+
     /* run all tests */
     printf ("\n");
     printf (">>>>>>>>>> TESTS >>>>>>>>>>\n");